U.S. Army
Mary O' Neill
May 17, 1898—April 11, 1975
PFC
Life Timeline
76 years1898
Born
May 17, 1898
US ARMY
Service Record
World War I
World War I
Conflict
PFC
1975
Passed Away
April 11, 1975
Memorial Record
Verified fields from cemetery source data.
Branch
US ARMY
Rank
PFC
War / Conflict
World War I
Sourced from official cemetery data; last updated May 30, 2026.Learn more